In the third week of pregnancy, the woman is not yet aware that she is pregnant. Therefore, it is not usually associated with many symptoms.
However, in week 3 of gestation there are alterations in hormones, so breast tenderness, tiredness, altered taste, changes in discharge, headaches, etc. may appear.
Read the full article on: 3 weeks pregnant – the start of the development of the embryo ( 36).
By Jon Ander Agirregoikoa M.D. (gynecologist), Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Zaira Salvador B.Sc., M.Sc. (embryologist) and Michelle Lorraine Embleton B.Sc. Ph.D. (biochemist).
Last Update: 09/08/2022
